A soil-borne Mn(II)-oxidizing bacterium of Providencia sp. exploits a strategy of superoxide production coupled to hydrogen peroxide consumption to generate Mn oxides.
Chen S, Ding Z, Chen J, Luo J, Ruan X, Li Z, Liao F, He J, Li D. Arch Microbiol. 2022 Feb 12; 204(3):168. Epub 2022 Feb 12.